Deal of the day: Button camera from DPL Surveillance Equipment
, $219 (used), $30 off list price.
For those of you who live each day in fear of being watched, this camera will scare the bejesus out of you. These minute camera lenses are concealed within normal-looking buttons that can be integrated into your shirt or jacket. The kit also includes screwhead lenses, so that you can replace one screw somewhere within a room with this camera and no-one will be the wiser.
Watch the video to see the sweet DVR that it can be bundled with, and for an eye-popping example of how indistinguishable these cameras are. You may never disrobe again.